Quick Answer: Buy a trampoline if you want a permanent backyard fixture that needs no power, holds up for years with basic part swaps, and gives the higher, freer bounce older kids want. Buy a bounce house if you want something you can inflate for an afternoon and deflate for storage, don’t have a dedicated outdoor spot to give up permanently, or want the padded-wall feel for younger kids — but budget for a continuously running blower and a shorter 1-3 year vinyl lifespan. Price is close either way (roughly $200-400 to start), so the real decision is permanent fixture vs. occasional-use inflatable.
Both show up on the same “backyard play equipment” shopping lists, but a trampoline and a bounce house solve different problems. One is steel and springs that lives in your yard year-round; the other is vinyl and air that you can put away between uses. Here’s how they actually compare on the things that matter before you buy.
At a glance
| Trampoline | Bounce house | |
|---|---|---|
| Setup | Assembled once, stays up | Inflate/deflate each use (or leave set up) |
| Power needed | None | Continuous blower (7-14 amps) |
| Typical price | $300 (12ft budget) to $2,500+ (premium/in-ground) | $200-400 (residential, blower included) |
| Space needed | Diameter + 3 ft/side (18x18 ft for 12ft) | ~17x17 to 20x20 ft for a 13x13 ft unit |
| Typical lifespan | 8-15 years (frame), with pad/net/mat swaps | 1-3 years (residential-grade vinyl) |
| Bounce type | Higher, freer, athletic | Lower, softer, padded walls |
| Storage | Stays outdoors year-round | Deflates for indoor/garage storage |
By the numbers
- Over 110,000 children were treated in U.S. emergency departments for trampoline injuries in 2018, per the Consumer Product Safety Commission — the most recent official CPSC trampoline figure, with roughly 75% of cases involving more than one jumper at once.
- Bounce-house-related ER visits rose from 5,311 in 2003 to 17,377 in 2013, a more than threefold increase in a decade (CPSC, “Inflatable Amusements: Injuries and Deaths”). CPSC hasn’t published an updated bounce-house-specific count since, so treat that number as a decade-old floor, not a current figure.
- A 13x13 ft bounce house needs roughly 14-16 ft of overhead clearance and stake anchoring on every side, on top of its footprint — check for branches, power lines, and roof overhangs before you commit a spot.
Trampoline: the permanent backyard fixture
Zupapa 15ft Round Trampoline with Safety Enclosure
- 425 lb per-jumper weight rating and a no-gap enclosure net that closes the most common injury point.
- 10-year frame warranty; no power, fuel, or continuous setup needed once it's assembled.
- Needs a permanent 18 x 18 ft (or larger) clear, level footprint — this isn't a put-it-away-between-uses purchase.
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A trampoline is the better buy once you know the spot is permanent — no blower to run, no deflate-and-dry cycle after every use, and a frame that can outlast a decade with routine pad and net swaps. Budget options like the Skywalker 15’ (about $398) hit the same basic geometry for less. For the complete lineup from budget to premium, see our best trampoline guide.
Bounce house: the occasional-use inflatable
Blast Zone Magic Castle 2 Inflatable Bounce House
- Padded mesh walls and a low bounce floor — a softer fall profile than an open trampoline mat.
- Ships with the blower included, but needs it running continuously (7-14 amps) the entire time it's inflated.
- Deflates flat for garage or shed storage between uses instead of holding a permanent yard spot.
A bounce house wins when the yard spot can’t be permanent, or when younger kids and the padded-wall feel are the priority. The tradeoff is the blower — it has to run the entire time the unit is inflated, so factor a dedicated outlet or a heavy-gauge outdoor extension cord into the setup, and dry the vinyl fully before folding it away or mold, not punctures, will be what ends its short 1-3 year lifespan first.
Which one should you actually buy?
- Permanent yard spot, older kids, want it to last years: a trampoline — no power needed and the frame outlasts a decade of use with routine part swaps.
- No dedicated spot, younger kids, want to pack it away between uses: a bounce house — just plan for the continuous blower power draw.
- Tight budget either way: both start around $200-400; the gap shows up later in lifespan and replacement cost, not the initial purchase.
- No outdoor power outlet nearby: a trampoline is the realistic option — a bounce house’s blower is non-negotiable.
- Weighing safety for young kids specifically: neither is a substitute for supervision. Our trampoline safety guide covers the CPSC and AAP guidance behind the age and single-jumper recommendations that apply to both categories.
Whichever you choose, measure your actual clear yard space first — both categories need more overhead and side clearance than the footprint number alone suggests. Not sure which trampoline size fits what you’ve got? Our trampoline size chart breaks down footprint by model, and our best small trampoline guide covers the smallest backyard-legal sizes if space is tight either way.